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Related Experiment Video

Updated: Dec 11, 2025

Source and Route of Pyrrolizidine Alkaloid Contamination in Tea Samples

Source and Route of Pyrrolizidine Alkaloid Contamination in Tea Samples

Published on: September 28, 2022

Rooibos, a fake friend.

Paul Carrier¹, Marilyne Debette-Gratien², Jérémie Jacques¹

¹Hepatology Unit, Limoges Dupuytren Teaching Hospital, Avenue Martin Luther King, 87042 Limoges, France.

Clinics and Research in Hepatology and Gastroenterology

|August 24, 2020

Summary

Rooibos tea is generally safe but can rarely cause liver injury. Clinicians should consider Rooibos-induced liver damage in patients with acute hepatitis.

Keywords:

Acute hepatitis Drug induced liver injury Rooibos

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Area of Science:

Herbal medicine
Hepatology
Toxicology

Background:

Rooibos (Aspalathus linearis) is a popular herbal tea globally, recognized for its antioxidant properties.
It is widely consumed and generally considered safe, with potential liver-protective effects attributed to its free radical scavenging compounds.

Observation:

A rare case of severe liver injury was observed in a patient consuming Rooibos.
The patient presented with symptoms consistent with acute hepatitis.

Findings:

The liver injury was directly attributed to Rooibos consumption.
This suggests a potential, albeit uncommon, hepatotoxicity associated with Rooibos.

Implications:

Rooibos-induced hepatotoxicity may be underdiagnosed in clinical practice.
Healthcare providers should maintain a high index of suspicion for Rooibos as a potential cause of acute hepatitis.
Further investigation into the mechanisms and prevalence of Rooibos hepatotoxicity is warranted.